Puzzle-Time 35

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Across
  1. 2. Type of tree that has coconuts.
  2. 4. Fast boat with powerful engines.
  3. 6. Small boat with a paddle.
  4. 7. Made from milk with sour taste.
Down
  1. 1. Aircraft that flies with no engine.
  2. 3. Country with 'Star of David' on its flag.
  3. 5. Geometric shape with 8 sides.
  4. 8. Expensive red coloured gem stone.